10142123442 has 24 divisors (see below), whose sum is σ = 22295909328. Its totient is φ = 3073370520.

The previous prime is 10142123437. The next prime is 10142123489. The reversal of 10142123442 is 24432124101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6984208 + ... + 6985659.

It is an arithmetic number, because the mean of its divisors is an integer number (928996222).

Almost surely, 2^10142123442 is an apocalyptic number.

10142123442 is an abundant number, since it is smaller than the sum of its proper divisors (12153785886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10142123442 is a wasteful number, since it uses less digits than its factorization.

10142123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13969894 (or 13969883 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 10142123442 its reverse (24432124101), we get a palindrome (34574247543).

The spelling of 10142123442 in words is "ten billion, one hundred forty-two million, one hundred twenty-three thousand, four hundred forty-two".